The €42m order for Chengdu covers traction systems for 306 vehicles, which will be used on lines 3 and 4. The order for Xi'an is worth €33m and covers 246 vehicles for Line 3.

Alstom will supply its Optonix modular traction package, which has been developed specifically for the Chinese market.

The traction system, which includes motors and auxiliary converters, will be manufactured locally by Satee with support from Alstom's design unit in Charleroi, Belgium.